The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.
Companies should report their financial performance in their annual financial reports, and these are the best places to find this information.
For companies that file with the SEC, this information can be found within their "Form 10-K" filings. You can often find these documents by searching for "Company 10-k", or they can be found through the SEC's EDGAR search.